圧し石[oshiishi] stone weight
一石[isseki] one game (of go)
一石二鳥[issekinichou] killing two birds with one stone
英国石油[eikokusekiyu] British Petroleum
下石[shitaishi] nether millstone

化粧石鹸[keshousekken] toilet soap
化石[kaseki] fossil
化石学[kasekigaku] paleontology
化石層[kasekisou] fossil bed
化石燃料[kasekinenryou] fossil fuel

パン粉[panko] breadcrumbs
メリケン粉[merikenko] (wheat) flour
黄な粉[kinako] soy flour
加糖粉乳[katoufunnyuu] sweetened powdered milk
火の粉[hinoko] sparks

花粉[kafun] pollen
花粉症[kafunshou] hay fever
滑石粉[kassekiko] talcum powder
くず粉[kuzuko] kudzu starch
強力粉[kyourikiko] bread flour